Flat Concrete Roof Thickness

An exception to this standard however may occur if you intend to install slate concrete or tile shingles on your roof.

Flat concrete roof thickness.

For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers. They are often however part of a building design when future above roof level floors are contemplated. What is the minimum thickness of a flat concrete roof for a house. The flat concrete roof itself can be up to 7 inches thick although the greater the thickness the more the concrete will need be poured in increasing numbers of layers with each one needing to dry before the next is poured.

A solid slab of concrete capping the top of your house. The minimum thickness for plain concrete structural footing is suggested by aci 318 14 and set as 200mm and the same value is suggested by ubc. Like structural concrete roof decks composite decks are commonly topside insulated using adhered insulation panels or cast in place lightweight insulating concrete. Standard design and method of construction most concrete roofs follow a similar type of construction.

Ultimately a flat roof should play a part in a total architectural composition and has the ability to enhance the aesthetic and practical outcomes of a home. Standard roof sheathing which consists of 4 by 8 sheets of plywood or oriented strand board or osb is 1 2 inch thick and attaches directly to the roof rafters or the roof trusses. A 10 to 15 cm thick slab of reinforced concrete with a thin 2 to 5 cm thick layer of cement on the top. Flat roofs come in many shapes and sizes which include parapet roofs roof decks and green roofs to name just a few of the options available.

A concrete roof is exactly what it sounds like. This cement layer is known as a screed and contrary to popular belief its purpose is not to waterproof the roof. Exact specifications vary but most concrete roofs are several inches thick. 0 0 0.

Structural concrete composite decks are somewhat uncommon at the roof level. It shall be known that plain structural footing is not suitable to be used for the top of piles. As an read more. Im building a cinder block house in the cook islands an am planning to put a concrete roof on.

Don t go with a flat roof have the concrete workers give a small taper to the roof so rainfall runs off instead of puddling on the surface. For a flat roof to function correctly and to ensure the durability of its waterproof layers it is essential to prevent the accumulation of ponding water and ensure that rainwater run off falls are at the correct angle of slope.